package models

import (
	"context"
	"sync"
	"time"

	"github.com/coder/websocket"
)

type Channel struct {
	ID            string `json:"id"`
	RoomName      string `json:"room_name"`
	TotalMessages int64  `json:"total_messages"`
	Messages      []Message
	Mu            sync.RWMutex
	// Active listeners in specific channel
	Clients map[*websocket.Conn]bool
}

type Message struct {
	Content   string    `json:"content"`
	Sender    *User     `json:"sender"`
	Timestamp time.Time `json:"timestamp"`
}

func (c *Channel) Broadcast(ctx context.Context, msg Message) {
	c.Mu.Lock()
	defer c.Mu.Unlock()

	// Save to history
	c.Messages = append(c.Messages, msg)
	c.TotalMessages++

	// Send to all active WebSocket connections
	for conn := range c.Clients {
		payload := []byte(msg.Sender.Username + ": " + msg.Content)
		_ = conn.Write(ctx, websocket.MessageText, payload)
	}
}